<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    .item {
      display: flex;
      width: 500px;
    }
    .page {
      display: flex;
    }
    .prev, .next {
      width: 50px;
      height: 50px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 20px;
    }
  </style>
  <script src="./data.json"></script>
</head>
<body>
  <div class="wrap">
    <div class="content"></div>
    <div class="page">
      <button class="prev">上</button>
      <div class="pageNum">1</div>
      <button class="next">下</button>
    </div>
  </div>
  <script>

  </script>
</body>
</html>